A British expedition summited Everest in days while supplementing xenon. Is it the secret ingredient mountaineering has been ...

Four climbers went up and down Everest in under a week with the help of xenon gas—a record-breaking ascent that has ignited ...

The use of xenon gas may help cut the usual trip time from weeks to days. But not all members of the climbing community approve of the potentially speedy climb.

A group of British men went from London to the summit of Everest and back in less than a week with the help of xenon gas. Mountaineers and the Nepalese government weren’t pleased.

A group of British climbers have sparked a fierce debate after they reached the summit of Mount Everest in less than a week, crediting xenon gas as their secret weapon to acclimatize much quicker to ...

Most people who are allergic to cats aren’t reacting to the fur—they’re reacting to a protein in cat saliva called Fel d 1.

KATHMANDU, Nepal — Using xenon gas treatment and the latest technology is making climbing Mount Everest not just faster but also better for the environment, cutting down garbage and waste, a ...

The next waypoint on Psyche's voyage will be a flyby of Mars in May 2026. Officials expect Psyche to keep that date, which is ...

Everest climbers complete last leg of seven-day mission The four British military veterans say they still haven’t processed a speed climb for which they used xenon gas to acclimatize before the ...

Four ex-military friends are planning to summit Everest without the usual lengthy acclimitization period, relying on inhalations of noble gas xenon to prepare them, despite warnings this method ...

The use of xenon gas by a group of British mountaineers before they began an expedition to climb the world's highest mountain in less than five days has raised questions about its effectiveness ...